MA08343 - Golledge Electronics Ltd.

Tel: +44 1460 256 100
Fax: +44 1460 256 101
www.golledge.com
Golledge Electronics Ltd
Eaglewood Park, ILMINSTER
Somerset, TA19 9DQ, UK
SAW Resonator 479.450MHz
Part No: MA08343
Model: TC0238A
Rev. No: 1
A. FEATURES:
One-Port Resonator
B. MAXIMUM RATING:
1. Input Power Level: 0dBm
2. DC voltage: 12V
3. Operating Temperature: -40°C to +85°C
4. Storage Temperature: -40°C to +85°C
C. ELECTRICAL CHARACTERISTICS:
Reference Temperature TA=25°C
Characteristic
Units
Min.
Typ.
Max.
MHz
479.375
479.450
479.525
dB
-
1.41
2.5
6000
10000
-
ppm/yr
-
-
±10
Motional capacitance C1
fF
-
1.36
-
Motional inductance L1
μH
-
80.9
-
Motional resistance R1
Ohm
-
20.42
-
Parallel capacitance Co
pF
-
2.77
-
ppm/c*2
-
0.032
-
deg. C
10
25
40
Center frequency Fc
Insertion Loss IL
Unload quality factor QU
Ageing of fc
Frequency Temperature coefficient (TCf)
Turnover To
Package size
SMD 3 X 3 X 1.1mm
Temperature dependence of fc: fc (TA) = fc (TO) (1+TCf (TA-TO)2)
TC0238A v1
1
Tel: +44 1460 256 100
Fax: +44 1460 256 101
www.golledge.com
Golledge Electronics Ltd
Eaglewood Park, ILMINSTER
Somerset, TA19 9DQ, UK
SAW Resonator 479.450MHz
Part No: MA08343
Model: TC0238A
Rev. No: 1
D. OUTLINE DRAWING:
E. EQUIVILENT CIRCUIT:
One-Port Resonator:
Source Impedance
50Ω
Load Impedance
C0
#B
#E
R1
C1
TC0238A v1
50Ω
L1
2
Tel: +44 1460 256 100
Fax: +44 1460 256 101
www.golledge.com
Golledge Electronics Ltd
Eaglewood Park, ILMINSTER
Somerset, TA19 9DQ, UK
SAW Resonator 479.450MHz
Part No: MA08343
Model: TC0238A
Rev. No: 1
F. FREQUENCY CHARACTERISTICS:
Resonator 479.45MHz Frequency Charactristics (S21)
0
-5
-10
B
d
-15
-20
-25
-30
477.95
478.45
478.95
479.45
479.95
480.45
480.95
Frequency (Center Frequency 479.45MHz Span 3MHz)
G. TEST CIRCUIT:
Network analyzer
From 50Ω
Network
Analyzer
B
E

SAW Resonator

To 50Ω
Network
Analyzer
A, C, D, F
TC0238A v1
3
Tel: +44 1460 256 100
Fax: +44 1460 256 101
www.golledge.com
Golledge Electronics Ltd
Eaglewood Park, ILMINSTER
Somerset, TA19 9DQ, UK
SAW Resonator 479.450MHz
Part No: MA08343
Model: TC0238A
Rev. No: 1
H. PACKING:
1. Reel Dimension
2. Tape Dimension
TC0238A v1
4